Grants paid by Wissner-Slivka Foundation
EIN 91-6458451 · Bellevue, WA · Form 990-PF, Part XV · NTEE T20Z
Wissner-Slivka Foundation of Bellevue, WA (EIN 91-6458451) reported 26 grants paid totaling $1,503,033 to 9 recipients in tax years 2019–2025, on Form 990-PF, Part XV. It also reported $612,119 approved for future payment, which is listed separately and not included in the total. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$1,503,033
26 grants
Recipients
9
distinct organizations
Tax years
2019–2025
7 filings in the corpus
Approved for future payment
$612,119
4 commitments · not included in grants paid
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2019 | 4 | $480,414 | $412,119 |
| 2020 | 4 | $165,144 | — |
| 2021 | 6 | $257,592 | $200,000 |
| 2022 | 6 | $201,883 | — |
| 2023 | 2 | $251,000 | — |
| 2024 | 3 | $146,000 | — |
| 2025 | 1 | $1,000 | — |
Top recipients
The 9 recipients receiving the most from Wissner-Slivka Foundation, by grants paid, out of 9 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Overlake Hospital Foundation 91-1050325 | B | Bellevue, WA | 7 | $677,533 | 2024 |
| Seattle Childrens Foundation 91-1156519 | B | Seattle, WA | 3 | $300,000 | 2024 |
| Fred Hutchinson Cancer Research Institute 91-1935159 | D | Seattle, WA | 1 | $200,000 | 2019 |
| Kindering Center 91-0816827 | B | Bellevue, WA | 8 | $135,000 | 2025 |
| University of Washington 22-2764358 | B | Seattle, WA | 1 | $100,000 | 2021 |
| Peace First 04-3323467 | B | Boston, MA | 3 | $75,000 | 2022 |
| Kidsquest Children Museum 91-1828830 | C | Bellevue, WA | 1 | $10,000 | 2020 |
| Jacques Pepin Foundation 81-2706568 | B | Barrington, RI | 1 | $5,000 | 2022 |
| Bellevue Botanical Garden Society 91-1333659 | C | Bellevue, WA | 1 | $500 | 2021 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 30 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Kindering Center Bellevue, WA | B | $1,000 | paid | GENERAL SUPPORT | 202631349349103918 |
| 2024 | Seattle Childrens Foundation Seattle, WA | B | $100,000 | paid | GRANT TOWARDS OPTIDES POST-DOC FELLOWSHIP | 202501349349101965 |
| 2024 | Kindering Center Bellevue, WA | B | $31,000 | paid | GENERAL SUPPORT | 202501349349101965 |
| 2024 | Overlake Hospital Foundation Bellevue, WA | B | $15,000 | paid | GENERAL SUPPORT | 202501349349101965 |
| 2023 | Overlake Hospital Foundation Bellevue, WA | B | $250,000 | paid | ADVANCING CARE TOGETHER CAMPAIGN | 202421369349102107 |
| 2023 | Kindering Center Bellevue, WA | B | $1,000 | paid | GENERAL SUPPORT | 202421369349102107 |
| 2022 | Seattle Children's Foundation Seattle, WA | B | $100,000 | paid | SUPPORT OF JIM OLSEN LAB | 202301329349101305 |
| 2022 | Overlake Hospital Foundation Bellevue, WA | B | $36,883 | paid | CAMPAIGN FUTURECARE | 202301329349101305 |
| 2022 | Kindering Center Bellevue, WA | B | $30,000 | paid | GENERAL SUPPORT | 202301329349101305 |
| 2022 | Peace First Boston, MA | B | $25,000 | paid | SUPPORT FOR YOUTH INVESTMENT FUND | 202301329349101305 |
| 2022 | Jacques Pepin Foundation Barrington, RI | B | $5,000 | paid | GENERAL SUPPORT | 202301329349101305 |
| 2022 | Overlake Hospital Foundation Bellevue, WA | B | $5,000 | paid | BANDAGE BALL / ANNUAL AUCTION FUNDRAISER | 202301329349101305 |
| 2021 | Seattle Children's Foundation Seattle, WA | B | $200,000 | approved, future | SUPPORT OF JIM OLSEN LAB | 202231349349100138 |
| 2021 | Seattle Children's Foundation Seattle, WA | B | $100,000 | paid | SUPPORT OF JIM OLSEN LAB | 202231349349100138 |
| 2021 | University of Washington Seattle, WA | B | $100,000 | paid | ENDOWED CHAIR / ED LAZOWSKA | 202231349349100138 |
| 2021 | Overlake Hospital Foundation Bellevue, WA | B | $30,092 | paid | CHALLENGE GRANT | 202231349349100138 |
| 2021 | Kindering Center Bellevue, WA | B | $25,000 | paid | GENERAL SUPPORT | 202231349349100138 |
| 2021 | Kindering Center Bellevue, WA | B | $2,000 | paid | GENERAL SUPPORT | 202231349349100138 |
| 2021 | Bellevue Botanical Garden Society Bellevue, WA | C | $500 | paid | GENERAL SUPPORT | 202231349349100138 |
| 2020 | Overlake Hospital Foundation Bellevue, WA | B | $105,144 | paid | PROJECT FUTURECARE | 202141199349100619 |
| 2020 | Peace First Inc Boston, MA | C | $25,000 | paid | YOUTH INVESTMENT FUND | 202141199349100619 |
| 2020 | Kindering Center Bellevue, WA | B | $25,000 | paid | GENERAL SUPPORT | 202141199349100619 |
| 2020 | Kidsquest Children Museum Bellevue, WA | C | $10,000 | paid | GENERAL SUPPORT | 202141199349100619 |
| 2019 | Overlake Hospital Foundation Bellevue, WA | B | $235,414 | paid | PROJECT FUTURECARE | 202011749349100411 |
| 2019 | Fred Hutchinson Cancer Research Institute Seattle, WA | D | $200,000 | approved, future | PROJECT VIOLET | 202011749349100411 |
| 2019 | Fred Hutchinson Cancer Research Institute Seattle, WA | D | $200,000 | paid | PEDIATRIC ONCOLOGY | 202011749349100411 |
| 2019 | Overlake Hospital Foundation Bellevue, WA | B | $162,119 | approved, future | PROJECT FUTURECARE | 202011749349100411 |
| 2019 | Peace First Inc Boston, MA | C | $50,000 | approved, future | YOUTH INVESTMENT FUND | 202011749349100411 |
| 2019 | Peace First Inc Boston, MA | C | $25,000 | paid | YOUTH INVESTMENT FUND | 202011749349100411 |
| 2019 | Kindering Center Bellevue, WA | B | $20,000 | paid | GENERAL SUPPORT | 202011749349100411 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202631349349103918 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202501349349101965 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202421369349102107 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202301329349101305 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.2 | 202231349349100138 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202141199349100619 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.1 | 202011749349100411 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/916458451.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.